<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/flexible.js"></script>
    <style>
        /* 媒体查询 media */
        /* @media screen and (max-width:1024px) {
            html{
            font-size: 20px;
            }
        }
        @media screen and (min-width:1920px) {
            html{
            font-size: 40px;
            }
        } */
        *{
            margin: 0;
            padding:0
        }
        .box{
            width: 3rem;
            height: 3rem;
            background-color: pink;
        }

        /* 
        
        pc端适配   1024px~1920
        */
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>